Patent US2937153A successfully refreshed from Google Patents.
US2937153A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nitrocellulose/alkyd/melamine-aldehyde coating composition
Assignee: Sherwin Williams Co
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Filing: 1958-03-10
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Granted: 1960-05-17
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Expires: 1978-03-10
Abstract
No abstract record available.
Inventors
- 👤 Paul L Rasmussen
- 👤 Russell L Sears
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:32
CPC Classifications
C; C09; C09D; C09D101/00; C09D101/08; C09D101/16; C09D101/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
A COMPOSITION OF MATTER COMPRISING A HOMOGENEOUS SOLUTION HAVING THE FOLLOWING GENERAL COMPOSITION: PERCENT BY WEIGHT NITROCELLULOSE ------------------------------------ 3 TO 7 AMINO TRIAZINE ALDEHYDE RESIN --------------------- 20 TO 35 A NON-DRYING OIL MODIFIED ALIPHATIC POLYOL PHTHALATE RESIN IN WHICH SAID POLYOL CONTAINS FROM 2 TO 6 HYDROXYL GROUP AND FROM 2 TO 8 CARBON ATOMS ------------------------------------- 43 TO 75 FERRIC PYROPHOSPHATE NONANHYDRATE ----------------- 2 TO 8
Claim 2
Dependent Claim
66 words
A COMPOSITION OF MATTER COMPRISING A HOMOGENEOUS SOLUTION HAVING THE FOLLOWING GENERAL COMPOSITION: PERCENT BY WEIGHT NITROCELLULOSE ------------------------------------ 3 TO 7 AMINO TRIAZINE ALDEHYDE RESIN --------------------- 20 TO 35 A NON-DRYING OIL MODIFIED ALIPHATIC POLYOL PHTHALATE RESIN IN WHICH SAID POLYOL CONTAINS FROM 2 TO 6 HYDROXYL GROUP AND FROM 2 TO 8 CARBON ATOMS ------------------------------------- 43 TO 75 FERRIC PYROPHOSPHATE NONANHYDRATE ----------------- 2 TO 8
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-17 | 1963-11-16 | 1964-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-17 | 1967-11-16 | 1968-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-17 | 1971-11-16 | 1972-05-17 | $7700.00 | Window Closed / Lapsed |